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Nimzo-Indian, Sämisch Variation, 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3

In each game under Location you see masterchessopen.com but it's not a valid website, so please don't use it. Claus Gamborg, Jan. 2023

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#WhiteRatingBlackRatingResultMovesECOTournamentDate
713Van Elst Andreas ...2282Fedorchuk Sergey ...25640-150 ≣E20It (open)10 Jul 2005
719Longa Yauca Javie...2324Rivas Pastor Manu...24610-157 ≣E41It (open)25 Aug 2005
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
522Jetzl Joerg (AUT)2203Lopushnoy Denis (...23850-120 ≣E41It (cat.3)
460Ryskin Alexander ...2435Pushkov Nikolai (...25150-134 ≣E41It
497Jetzl Joerg (AUT)2203Farago Ivan (HUN)25150-148 ≣E20It (open)
530De Groot ThijsCarstensen Jacob ...21650-168 ≣E20It (open) (juniors)
449Cerpa Deniz Jose ...2085Dominguez Santas ...0-146 ≣E41It (open)
367KikrushkinMalikov S0-150 ≣E20Ch Club URS (team...
269Barbero Gerardo F...2441Panno Oscar (ARG)25400-144 ≣E41It (open)
319NicolaiHoekstra W0-140 ≣E20corr.
850Veleski Robert (MKD)2282Cioara Andrei Nes...24260-143 ≣E20It (open) \21 Apr 2010
395Adler Bo (SWE)2171Backe Peter (SWE)22350-160 ≣E20Ch Sweden (master...
185Lubienski Tadeusz...2033Salminsh Gedimins...0-135 ≣E20Cup Baltic (corr.)
313Knoppert Erik G J...2336Riemersma Liafber...24200-151 ≣E20Ch Netherlands (1...
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
316Hoffmann Alexande...2135Gutsche Klemens0-136 ≣E20Oberliga NRW 1985/86
340SacchiniMalloni Marcello ...23090-126 ≣E20?
361Birens Eric-Andre...1969Roos Celine (FRA)21450-169 ≣E20Ch France (qual)
253Swindell LMartz William R0-142 ≣E20It \
362Birens Eric-Andre...1969Stawiarski Edmond...21680-140 ≣E20Ch France (qual)
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
281Haik Aldo (FRA)2405Murey Jacob (ISR)24290-148 ≣E20It (open)10 Sep 1981
204Sikora Jan (CZE)2251Pachman Ludek (GER)22780-134 ≣E20Ch Czechoslovakia
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
325Schlenga KlausPliester Leon (NED)23920-137 ≣E20Ch Netherlands (o...
448Borovicka Bohumil...1997Michenka Jozef (CZE)23460-140 ≣E41It (open)
675Guseva Marina (RUS)2289Kryukova Irina (RUS)22610-138 ≣E41It (b)
515Laimos NikolaosGalanos Dimitrios...19430-142 ≣E20Ch Greece (team)
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
706Niklasson Christe...2375Brynell Stellan (...24960-128 ≣E20Ch Sweden (team) ...26 Feb 2005
111Kwapisz StanislawSolecki Zbigniew0-177 ≣E20Ch Poland
255Niklasson Christe...2350Kaiszauri Konstan...24200-131 ≣E20?
401Birens Eric-Andre...1969Tjiam Dharma (NED)23820-159 ≣E20It (open)
853Simovic Mladen (CRO)1862Marcic Ivica (CRO)20050-184 ≣E20It (open)06 May 2010
409Jansson Anders O ...2106Jagerflod Kent (SWE)19780-157 ≣E20Ch Sweden (corr.)
142Baturinsky Victor...Estrin Yakov B (RUS)24500-151 ≣E41Ch URS (corr.)
672Mesko Andrej (CRO)2067Saric Ante (CRO)24370-130 ≣E20Ch Croatia (junio...
608Rudlof JuergenStredak Josef0-136 ≣E20It (open) (b)
173Averbakh Yuri L (...2445Matanovic Aleksan...24900-172 ≣E41Match \
865Nielsen John Baun...2148Eljanov Pavel (UKR)27610-140 ≣E20It (open) \01 Aug 2010
655Ditiatev Sergey (...2385Malinin Vasily B ...24990-140E20It (cat.8)
847Floroiu Ioana-Ale...1662Gelip Ioana (ROM)18240-139 ≣E20Ch Romania (junio...08 Apr 2010
144GolschmanGonzales Gil J0-133 ≣E20Tournament
176Kekki YrjoKaasalainen Arvo0-139E20?
905Yefimov Mstislav ...2168Szymanski Marcin ...24160-147 ≣E41It (open)06 Aug 2011
186Hruska Tomas (CZE)2026Petras Jan (CZE)20850-175 ≣E20Ch Czechoslovakia...
51Udovcic Mijo (YUG)2460Puc Stojan (SLO)22550-139E20Ch Yugoslavia
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
283Kretschmar HeinzDubinin Peter V (...0-138 ≣E41corr.
116Geller Efim P (RUS)2455Smyslov Vassily (...24940-156 ≣E20Tournament (candi...
651Kaminik Aleksanda...2266Ruderfer Mark B (...23440-134 ≣E20Ch Israel (team)
165Colon H (PUR)Chipev T (BUL)0-140 ≣E20Olympiad
930Cazacu Gabriela (...1814Forthofer Robert ...22590-134 ≣E20It (open)10 Jul 2012
200Tabakiernik WLambshire MV0-140 ≣E41Ch Great Britain
35Aratovsky NikolaySokolsky Alexey (...0-145 ≣E20Ch URS (1/2 final)
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
637Shevchenko MaksimLanin Alexsej (RUS)21660-126E20Ch Russia (junior...
115Diez Del Corral J...2415Persitz Raaphi (SUI)23360-180 ≣E20It
47Gruber BratoljubDe Stefani Carlo0-139 ≣E20Match \
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
439Ceragioli JohnHimes Harold0-130 ≣E20Ch State California
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
87Fragoso DarcyVasconcellos Fern...0-158 ≣E20Ch Brazil
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
745Calisi Elia (ITA)1884Gambardella Piero...20370-143 ≣E20Memorial Magari12 Nov 2006
729Lockwood William ...1895Spraggett Kevin (...26100-144 ≣E20It (open)22 Apr 2006
191Erozbek Akdogan2200Suwandhio Eddy0-140 ≣E20Olympiad
666Pages Rafart Jord...2120Fluvia Jordi (ESP)23940-151 ≣E20It (open)
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
780Olarasu Ioana (ROM)1820Baciu Anca-Otilia...21770-134 ≣E41Ch Romania (w)25 Feb 2008
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
856Doelker Kai (GER)1723Gruenter Martin (...21780-126 ≣E41Ch Germany (junio...06 Jun 2010
231Haut HKetzscher Roland ...20850-159 ≣E20corr.
667Papacek TomasVoboril Pavel (CZE)21050-148 ≣E20Czech League 2002...
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
786Hasanova Turkan (...1897Timman Jan H (NED)25800-143 ≣E41Cup President13 May 2008
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
28Sanguinetti Raul ...2485Szabo Laszlo (HUN)19030-127 ≣E20It
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
824Stahnke Alexander...1799Muller Jonas19810-142 ≣E20Zt25 Jun 2009
680Muhammad Kamal (MAS)Yeo Min-Yang Evan...22450-150 ≣E20Ch ASEAN (juniors...